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The unvented hot water cylinder is a firm favourite among homeowners who possess a pressurised central heating system. Supplied with either an external or built-in expansion vessel, an unvented cylinder is particularly desirable as hot water is delivered under pressure and does not require a cumbersome gravity-fed water tank. New unvented hot water cylinders can handle your hot water pressure demands quickly and safely while offering manufacturer's warranties of up to 25 years. Please choose from our extensive range of unvented cylinders from all the leading brands today.

 
 

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Cylinder Type

Vented: Stores and heats water that is fed directly from a tank in the loft.

Unvented: Provides mains pressure hot water directly from the cold mains.

Direct: Heats water directly using an immersion heater or the heat from a boiler.

Indirect: Relies on a separate heat exchanger to transfer heat from the boiler or another heat source to the water.

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395 results

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Delivery and collection options for

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Cylinder Type

Vented: Stores and heats water that is fed directly from a tank in the loft.

Unvented: Provides mains pressure hot water directly from the cold mains.

Direct: Heats water directly using an immersion heater or the heat from a boiler.

Indirect: Relies on a separate heat exchanger to transfer heat from the boiler or another heat source to the water.

Stock Status


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395 results
ehc-neptune-solar-170l-direct-unvented-cylinder

EHC Neptune Solar 170L Direct Unvented Cylinder - NSDIR170L

£1,131.07 inc
VAT
telford-tempest-stainless-steel-slimline-direct-150l-unvented-cylinder

Telford Tempest Stainless Steel Slimline Direct 150L Unvented Cylinder - TSMD150SL

£613.48 inc
VAT
Save £107.47 | Was £720.95
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